diff --git a/assets/User_code/component/freertos_cli/FreeRTOS_CLI.h b/assets/User_code/component/freertos_cli/FreeRTOS_CLI.h
index e6d8266..a3f792f 100644
--- a/assets/User_code/component/freertos_cli/FreeRTOS_CLI.h
+++ b/assets/User_code/component/freertos_cli/FreeRTOS_CLI.h
@@ -28,6 +28,9 @@
 #ifndef COMMAND_INTERPRETER_H
 #define COMMAND_INTERPRETER_H
 
+#include <stddef.h>
+#include "FreeRTOS.h"
+
 /* This config should be defined in FreeRTOSConfig.h. But due to the limition of CubeMX I put it here. */
 #define configCOMMAND_INT_MAX_OUTPUT_SIZE  512